src/mac/wave.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wave.cpp
   3 // Purpose:     wxWave class implementation: optional
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:       wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "wave.h"
  14 #endif
  15
  16 #include "wx/object.h"
  17 #include "wx/string.h"
  18 #include "wx/wave.h"
  19
  20 #if wxUSE_WAVE
  21
  22 #ifdef __WXMAC__
  23 #include "wx/mac/private.h"
  24 #ifndef __DARWIN__
  25 #include <Sound.h>
  26 #endif
  27 #endif
  28
  29 wxWave::wxWave()
  30   : m_sndChan(0), m_hSnd(NULL), m_waveLength(0), m_isResource(true)
  31 {
  32 }
  33
  34 wxWave::wxWave(const wxString& sFileName, bool isResource)
  35   : m_sndChan(0), m_hSnd(NULL), m_waveLength(0), m_isResource(true)
  36 {
  37     Create(sFileName, isResource);
  38 }
  39
  40
  41 wxWave::~wxWave()
  42 {
  43     FreeData();
  44 }
  45
  46 wxWave::wxWave(int size, const wxByte* data)
  47   : m_sndChan(0), m_hSnd(NULL), m_waveLength(0), m_isResource(false)
  48 {
  49     //TODO convert data
  50 }
  51
  52 bool wxWave::Create(const wxString& fileName, bool isResource)
  53 {
  54     bool ret = false;
  55     m_sndname = fileName;
  56     m_isResource = isResource;
  57
  58     if (m_isResource)
  59         ret = true;
  60     else
  61     { /*
  62         if (sndChan)
  63         {                                                                    // we're playing
  64             FSClose(SndRefNum);
  65             SndRefNum = 0;
  66             SndDisposeChannel(sndChan, TRUE);
  67             free(sndChan);
  68             sndChan = 0;
  69             KillTimer(0,timerID);
  70         }
  71
  72         if (!lpSnd)
  73             return true;
  74
  75         if (_access(lpSnd,0))                            // no file, no service
  76             return false;
  77
  78         // Allocate SndChannel
  79         sndChan = (SndChannelPtr) malloc (sizeof(SndChannel));
  80
  81         if (!sndChan)
  82             return false;
  83
  84         sndChan->qLength = 128;
  85
  86         if (noErr != SndNewChannel (&sndChan, sampledSynth, initMono | initNoInterp, 0))
  87         {
  88             free(sndChan);
  89             sndChan = 0;
  90             return false;
  91         }
  92
  93         if (!(SndRefNum = MacOpenSndFile ((char *)lpSnd)))
  94         {
  95             SndDisposeChannel(sndChan, TRUE);
  96             free(sndChan);
  97             sndChan = 0;
  98
  99             return false;
 100         }
 101
 102         bool async = false;
 103
 104         if (fdwSound & SND_ASYNC)
 105             async = true;
 106
 107         if (SndStartFilePlay(sndChan, SndRefNum, 0, 81920, 0, 0, 0, async) != noErr)
 108         {
 109             FSClose (SndRefNum);
 110             SndRefNum = 0;
 111             SndDisposeChannel (sndChan, TRUE);
 112             free (sndChan);
 113             sndChan = 0;
 114             return false;
 115         }
 116
 117         if (async)
 118         {  // haven't finish yet
 119             timerID = SetTimer(0, 0, 250, TimerCallBack);
 120         }
 121         else
 122         {
 123             FSClose (SndRefNum);
 124             SndRefNum = 0;
 125             SndDisposeChannel (sndChan, TRUE);
 126             free (sndChan);
 127             sndChan = 0;
 128         }*/
 129     }
 130
 131     return ret;
 132 }
 133
 134
 135 //don't know what to do with looped, wth
 136 bool wxWave::Play(bool async, bool looped) const
 137 {
 138     bool ret = false;
 139
 140     if (m_isResource)
 141     {
 142         Str255 snd ;
 143         wxMacStringToPascal( m_sndname , snd ) ;
 144         SndListHandle hSnd;
 145
 146         hSnd = (SndListHandle) GetNamedResource('snd ', snd);
 147
 148         if ((hSnd != NULL) && (SndPlay((SndChannelPtr)m_sndChan, (SndListHandle) hSnd, async) == noErr))
 149                 ret = true;
 150     }
 151
 152     return ret;
 153 }
 154
 155
 156 bool wxWave::FreeData()
 157 {
 158     bool ret = false;
 159
 160     if (m_isResource)
 161     {
 162         m_sndname.Empty();
 163         ret = true;
 164     }
 165     else
 166     {
 167         //TODO,
 168     }
 169
 170     return ret;
 171 }
 172
 173
 174 //code below is from an old implementation used for telinfo with MSVC crossplatform support
 175 //technology proceeds, so it would be the wisest to drop this code, but it's left here just
 176 //for the sake of a reference. BTW: Wave files can now be played with QT, starting from V3
 177
 178 /*static short MacOpenSndFile (char * path)
 179 {
 180     VolumeParam vp;
 181     FSSpec fspec;
 182     Str255 name;
 183     char *c;
 184
 185     // first, get the volume reference number for the file.  Start by
 186     // making a Pstring with just the volume name
 187     strcpy ((char *) name, path);
 188     if (c = strchr ((char *) name, ':'))
 189     {
 190         c++;
 191         *c = '\0';
 192     }
 193
 194     c2pstr ((char *) name);
 195     vp.ioCompletion = 0;
 196     vp.ioVolIndex    = -1;
 197     vp.ioNamePtr    = name;
 198     vp.ioVRefNum    = 0;
 199
 200     if (PBGetVInfo((ParamBlockRec *)&vp, 0) != noErr)
 201         return 0;
 202
 203     // next, buld an FSSpec for the file
 204     strcpy ((char *) name, path);
 205     c2pstr ((char *) name);
 206     if (FSMakeFSSpec (vp.ioVRefNum, 0, name, &fspec) != noErr)
 207         return 0;
 208
 209     short frefnum;
 210     // now open the file, and return it's reference number
 211     if (FSpOpenDF(&fspec, fsRdPerm, &frefnum) != noErr)
 212         return 0;
 213
 214     return frefnum;
 215 }
 216
 217
 218 void TimerCallBack(HWND hwnd,UINT uMsg,UINT idEvent,DWORD dwTime)
 219 {
 220     if(!sndChan)
 221     {
 222         KillTimer(0,timerID);
 223         return;
 224     }
 225
 226     SCStatus    scstat;
 227
 228     if (noErr == SndChannelStatus (sndChan, sizeof (SCStatus), &scstat)) {
 229         if (scstat.scChannelPaused || scstat.scChannelBusy)
 230             return;                            // not done yet
 231     }
 232
 233     // either error or done.
 234     FSClose (SndRefNum);
 235     SndRefNum = 0;
 236     SndDisposeChannel (sndChan, TRUE);
 237     free (sndChan);
 238     sndChan = 0;
 239     KillTimer(0,timerID);
 240 }*/
 241
 242
 243 #endif